The EW-DX 835-S set pairs Sennheiser's EM 2 half-rack dual-channel digital receiver with two SKM-S handhelds carrying the workhorse MMD 835 capsule, covering two vocalists from a single rack slot. The equidistant frequency grid packs up to 146 channels in standard mode, and the rear RJ45 takes PoE power and Control Cockpit remote management while audio leaves on two balanced XLRs (+18 dBu) or two unbalanced 1/4" outs (+12 dBu). Note this standard set has no Dante — Sennheiser sells a separate EM 2 DANTE receiver variant (three RJ45 network ports) for networked audio. Scales cleanly into multi-channel racks with BNC antenna distribution.
~$2,499Use retailer rows for current price and stock
01 · What it does—and what that changes in your rig.
Product overview
Start with the payoff, then work through how it functions, where it fits, and the details that change a real build.
The payoff
Wireless Mic decisions, organized around the whole rig.
The EW-DX 835-S is Sennheiser's answer to covering two vocalists from a single half-rackThe standard slice of rack height: 1U = 1.75″. A 3U box takes three slices; half-rack gear pairs two units side by side in one. unit — the EM 2 receiver pairs with two SKM-S handhelds loaded with the MMD 835 dynamic capsule, a mic element that engineers have trusted on touring stages for decades. It lives in the digital EW-DX ecosystem, which means the equidistant frequency grid does the heavy coordination work for you: up to 146 channels in standard mode, all manageable remotely through Sennheiser's Control Cockpit software over the rear RJ45. One rack unit, two channels, known-quantity capsules. That's a hard combination to argue with when you're building a vocal rig under space pressure.
Documented outputs
55 destination connections
Documented inputs
3Based on documented inputs
Rack space
1U · half-rackBuilder checks available rail space
Sennheiser product panel1U · half-rack · 6W
Function
How it works in the path
At load-in, the practical details matter. The balancedCarries the signal on two wires and cancels whatever noise both pick up — why mic cables can run hundreds of feet hum-free.XLRThe standard 3-pin locking connector for mics and balanced line signals — pin 1 is the shield, pins 2 and 3 carry the balanced pair. outputs hit +18 dBuA voltage unit for analog signal levels — pro line level is +4 dBu. Useful for matching one box’s output to the next box’s input., which gives your console or stageboxThe I/O endpoint on stage: mics plug in there and one digital line (AES50, Dante) carries everything to the console. The snake, digitized. plenty of headroomThe margin between your normal level and where things clip — headroom is what absorbs the snare hit you didn’t see coming. and noise margin on a long cable run — use those. The 1/4-inch outs are there if you need them, but at +12 dBu they're the fallback, not the first choice. The RJ45 port pulls PoEPower over Ethernet — the network cable powers the device (stage boxes, personal mixers, access points). One less wall-wart to lose. power if your switch delivers it, which can clean up DC cable management at the back of the rack, but understand that Ethernet here is control and power only — there is no DanteThe most common audio-over-network standard: dozens of channels of uncompressed digital audio down one ordinary Ethernet cable between Dante boxes. audio on this receiver. If your workflow depends on networked audio, Sennheiser makes a separate EM 2 DANTE variant with three network ports; this is not that unit. The BNCThe twist-lock coax connector used for word clock and antenna runs — it locks, so it can’t be pulled out mid-show. antenna inputs integrate cleanly into standard active antenna distributionOne pair of antennas feeding many receivers through an amplified splitter — replaces the forest of whips and keeps RF levels consistent., so scaling to a multi-receiver rack is straightforward.
Best fit
Where it earns its place in the rack
This unit earns its place in a touring or theater vocal rack where two handheld channels need to be reliable, compact, and remotely supervised without a complicated setup. The MMD 835 capsule has a well-documented character — present, relatively feedback-resistant — so monitor engineers walking onto an unfamiliar festival stage know what they're getting. Where it isn't the right call: if you need more than two channels per receiver slot and space is critical, look at four-channel receiver options. If your venue or tour runs a DanteThe most common audio-over-network standard: dozens of channels of uncompressed digital audio down one ordinary Ethernet cable between Dante boxes. audio network end-to-end, budget for the EM 2 DANTE variant from the start rather than planning to swap later. And if budget is the primary constraint, the older EW 300 or 500 G4 series still work well and come in at a lower price point.
In the rack
Details worth deciding before load-in.
Pair two EM 2 receivers side by side in a 1UThe standard slice of rack height: 1U = 1.75″. A 3U box takes three slices; half-rack gear pairs two units side by side in one. rack shelf — they're half-rack width and designed to sit flush together, giving you four vocal channels in a single rack unit with matching antenna BNCThe twist-lock coax connector used for word clock and antenna runs — it locks, so it can’t be pulled out mid-show. ports aligned at the rear for clean distribution cabling.
If your PoEPower over Ethernet — the network cable powers the device (stage boxes, personal mixers, access points). One less wall-wart to lose. switch is on the same network as your show control, segment the EW-DX management traffic onto a dedicated VLANVirtual LAN — slicing one physical switch into separate isolated networks, like keeping Dante away from lighting and guest WiFi.; Control Cockpit chatter won't compete with show-critical data and you'll have a cleaner troubleshooting path if something drops.
Run the XLRThe standard 3-pin locking connector for mics and balanced line signals — pin 1 is the shield, pins 2 and 3 carry the balanced pair. outputs to your stageboxThe I/O endpoint on stage: mics plug in there and one digital line (AES50, Dante) carries everything to the console. The snake, digitized. or console — not the 1/4-inch outs — and gainHow much the preamp amplifies the incoming signal. Too low and you’re hunting through hiss; too high and peaks clip.-stage from the receiver's output trim before line checkThe quick pre-show pass confirming every input reaches the console, one line at a time. Not a soundcheck — just does it work.. The +18 dBuA voltage unit for analog signal levels — pro line level is +4 dBu. Useful for matching one box’s output to the next box’s input.headroomThe margin between your normal level and where things clip — headroom is what absorbs the snare hit you didn’t see coming. means you can trim conservatively and still have clean signal with no noise floorThe constant background hiss a device produces on its own. Everything you pass through it sits on top — lower is better. penalty.
When building antenna distributionOne pair of antennas feeding many receivers through an amplified splitter — replaces the forest of whips and keeps RF levels consistent. for a multi-receiver rack, route the BNCThe twist-lock coax connector used for word clock and antenna runs — it locks, so it can’t be pulled out mid-show. runs before the receivers are racked and dress them with enough service loop to slide a unit forward for capsule swaps mid-show without pulling an antenna loose.
02 · Know the whole path before you buy.
Signal path
Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.
Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination
Each block answers the same three questions: what arrives, what changes here, and what leaves.
01 · Source · selected
bnc + dc barrel
RJ45
XLR male + ¼-inch TS
01 · Source
3 documented inputs
bnc + dc barrel
Arrives as
3 documented inputs
Connector
bnc + dc barrel
Signal
antenna
03 · What this product asks of the rest of the system.
Compatibility
Treat connector names as the start of the check—not the answer. These are the boundaries that determine a complete working path.
Best fit · Wireless Mic
Use it when 1U · half-rack and 200 mm of depth fit the case.
Plan the companion path
Complete the path with upstream and downstream gear that matches connector, direction, signal type, protocol, and wiring standard.
Connector boundary
Documented connectors: XLR male, ¼-inch TS, bnc, RJ45. Match connector, direction, and signal type—not shape alone.
04 · Every connector, grouped by job.
I/O ports
Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.
Every connector, grouped by job.
Switch panels to keep the hardware view and the documented port list in sync.
Front panelRear panel
All documented ports for Sennheiser EW-DX 835-S Wireless Mic
Port
Panel
Connector
Direction
Signal
Channels
XLR Out 1
rear
XLR male
output
analog audio
—
XLR Out 2
rear
XLR male
output
analog audio
—
1/4" Out 1
rear
¼-inch TS
output
analog audio
—
1/4" Out 2
rear
¼-inch TS
output
analog audio
—
Antenna A
rear
bnc
input
antenna
—
Antenna B
rear
bnc
input
antenna
—
Ethernet (PoE)
rear
RJ45
bidirectional
data
—
Headphones (front, 6.3mm)
front
¼-inch TRS
output
analog audio
—
Power (DC)
rear
dc barrel
input
power
—
Showing 9 of 9 documented physical ports.
05 · Compare the decision, not just the price.
Alternatives
The rows are organized around fit, power, I/O, and system role so a cheaper unit cannot hide a more expensive workflow.
EW-DX 835-SThe EW-DX 835-S set pairs Sennheiser's EM 2 half-rack dual-channel digital receiver with two SKM-S handhelds carrying the workhorse MMD 835 capsule, covering two vocalists from a single rack slot. The equidistant frequency grid packs up to 146 channels in standard mode, and the rear RJ45 takes PoE power and Control Cockpit remote management while audio leaves on two balanced XLRs (+18 dBu) or two unbalanced 1/4" outs (+12 dBu). Note this standard set has no Dante — Sennheiser sells a separate EM 2 DANTE receiver variant (three RJ45 network ports) for networked audio. Scales cleanly into multi-channel racks with BNC antenna distribution.View gear →
EM 500 G4The EM 500 G4 is the upgrade path from EM 300 G4: same half-rack form factor but doubled switching bandwidth (88 MHz) and broader-range tuning ideal for rigs that move between venues with shifting RF spectrum. Same ports — XLR + 1/4" out, BNC antenna in A/B — so it drops into any Distro4-fed receiver rack without changing the wiring plan.View gear →
EW-DX EM 4 DanteThe Sennheiser EW-DX EM 4 Dante is a four-channel digital wireless receiver with full Dante integration, the higher-end of the EW-DX line. Wide tuning bandwidth, AES-256 encryption, and tight integration with Sennheiser's WSM control software make it a workhorse on broadcast and corporate rigs.View gear →
EW 500 G4-935The EW 500 G4-935 is Sennheiser's professional-tier wireless vocal system with the dynamic e935 capsule, known for its warm and natural sound that works well across a range of vocal styles. The 500 series receiver provides enhanced RF performance and extended range compared to the 300 series, making it more suitable for larger stages. A reliable and well-respected wireless mic system for touring vocalists in the Sennheiser ecosystem.View gear →
06 · Resolve the questions that can change the purchase or build plan.
Planning questions
Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.
How will the Sennheiser EW-DX 835-S Wireless Mic affect rack fit and case depth?
It occupies 1U · half-rack. Its documented depth is 200 mm.
How much power does the Sennheiser EW-DX 835-S Wireless Mic draw?
Typical draw is 6W and documented maximum draw is 9W.
What connections does the Sennheiser EW-DX 835-S Wireless Mic have?
9 documented physical ports, including XLR Out 1, XLR Out 2, 1/4" Out 1, 1/4" Out 2, Antenna A, Antenna B.
07 · See this unit inside a real rack plan.
Builder preview
Placement is only the start. Builder checks space · depth · weight, power headroom, dependencies, and compatible signal paths around this exact catalog item.Open in Builder
